-3.32% is the change from 933 to 902
Calculation steps:
[( 902 - 933 ) ÷ 933] x 100 = -3.32%
Formula
Percentage change = [(902 - 933) / 933] x 100
Subtract the new number by the original number
902 - 933 = -31
-31 ÷ 933 = -0.03322615219721329
-0.03322615219721329 x 100 = -3.32%